Evacuate the following expression for z=197.

If the measure of xyz is 81 what is the measure of yz

What does the relationship between the mean and median reveal about the shape of the data

A33 gram sample of a substance that's used to detect explosives has a k-value of 0.1473. n = noekt no = initial mass (at time t = 0) n = mass at time t k = a positive constant that depends on the substance itself and on the units used to measure time t = time, in days